-71.31% is the change from 812 to 233
Calculation steps:
[( 233 - 812 ) ÷ 812] x 100 = -71.31%
Formula
Percentage change = [(233 - 812) / 812] x 100
Subtract the new number by the original number
233 - 812 = -579
-579 ÷ 812 = -0.7130541871921182
-0.7130541871921182 x 100 = -71.31%